_SNDWAVE
The _SNDWAVE statement sets the soundwave pattern for all subsequent sounds produced by the SOUND and BEEP statements.
Syntax: _SNDWAVE waveform
waveform | A literal string, a string variable, or the result of a string expression. Can be any one of the following values: sine (system default), square, sawtooth, triangle. |
_TOUCHDEVICE
The _TOUCHDEVICE function returns, TRUE (-1) or FALSE (0), whether or not the user's device is a touchscreen device. The result of this function can be used to decide how to get input from the user:
- if the user has a physical keyboard, the program can get keyboard input from either or both of:
- The Console Keyboard Input Functions
- The "Popup Box" Functions
- if the user has a touchscreen keyboard, the progam can get "virtual keyboard" input from:
- The "Popup Box" Functions
- (touching the console window has the same effect as mouse-clicks)
Syntax: _TOUCHDEVICE
Return value: TRUE (-1) or FALSE (0)
SOUND TESTER:
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